Home / 18,375,258.68-25,357,857-10,228,421.24

Finding the Fourth Proportional to 18,375,258.68, 25,357,857 and 10,228,421.24

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Solution

The fourth proportional to 18,375,258.68, 25,357,857 and 10,228,421.24 is: 14,115,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375,258.68 : 25,357,857 = 10,228,421.24 : x
  2. Step 2: Convert to fraction form
    18,375,258.68/25,357,857 = 10,228,421.24/x
  3. Step 3: Cross multiply
    18,375,258.68x = 25,357,857 × 10,228,421.24
  4. Step 4: Simplify right side
    18,375,258.68x = 259,370,843,139,682.69
  5. Step 5: Solve for x
    x = 259,370,843,139,682.69/18,375,258.68
  6. Step 6: Final answer
    x = 14,115,221.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.